//#include<stdlib.h>
#include"string.h"
#define DUMBCOPY for(i=0;i<65536;i++) \
destination[i]=source[i]
#define SMARTCOPY memcpy(destination,source,65536)
main()
{
	char source[65536],destination[65536];
	int i,j;
	for(j=0;j<100;j++)
//		SMARTCOPY; 
		DUMBCOPY;
}
